<template>
  <div class="app">
    <h3>我是app组件</h3>
    <hr>
    <Child/>
  </div>
</template>

<script>


import Child from "@/components/child.vue";

export default {
  name: 'App',
  components: {Child},
  setup() {


  },


}
</script>

<style>
.app {
  background-color: gray;
  padding: 10px;
}
</style>
